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Research ArticleOpen accessEvery word in the titleAPPLYING A HYBRID POLLING APPROACH BY SOFTWARE IMPLEMENTATION TO EXTEND THE LIFETIME OF A WIRELESS SENSOR NETWORKInácio Henrique Yano, Vitor Chaves de Oliveira, Mauricio Becker, Andreiwid Sheffer CorreaWireless Sensor Networks are networks suitable for data collection in harsh environments, where it would be difficult or costly the deployment of wired infrastructure. In spite of these advantages, such networks often rely on batteries to operate, which may lead to a serious limitation on the networks lifetime. Bearing this in mind, in this article is proposed and tested a … …Journal of Computer Science, Vol. 11, Issue 4 · 24 Jul 2015 · 7,020 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleNew Family of Logarithmic Lifetime DistributionsSaid Hofan AlkarniIn this study a new lifetime class with decreasing failure rate is introduced by compounding truncated logarithmic distribution with any proper continuous lifetime distribution. The properties of the proposed class are discussed, including a formal proof of itsprobability density function, distribution function and explicit algebraic formulae for its reliability and failure rate functions. A simple EM-type algorithm for iteratively computing … …Journal of Mathematics and Statistics, Vol. 8, Issue 4 · 20 Dec 2012 · 7,158 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAging Study and Lifetime Estimation of Transformer Mineral OilMohammad R. MeshkatoddiniProblem statement: Power transformer is the most expensive equipment in electrical network; and the mineral oil has the main roles of insulating and cooling in it. Oil is subjected to the degradation because of the ageing, high temperature and chemical reactions such as the oxidation. Then the oil condition has to be checked regularly and reclaimed or replaced when necessary, … …American Journal of Engineering and Applied Sciences, Vol. 1, Issue 4 · 31 Mar 2008 · 11,104 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleConstructing Longest Lifetime Route in Mobile Ad-hoc NetworksFredrick Mtenzi, Yingyu WanA mobile ad hoc network (MANET) is an autonomous system consisting of mobile hosts connected by wireless links. Every host can move in any direction at any speed and time. This leads to a dynamic topology as hosts move constantly. MANET broadcast messages to each hosts, the transmission of one host can be heard by all hosts in its communication … …Journal of Computer Science, Vol. 1, Issue 2 · 19 Oct 2005 · 4,941 accessesView PDFCite
Review ArticleOpen accessEvery word in the titleA Strategic Study on the Environmental Impacts of Wind Turbine Blade Materials, their Improvements, Economics and End-Life-OptionsOjshwi Prakash, Godwin Glivin, N. Kalaiselvan, V. MariappanWind energy is a great alternative to solar energy (During monsoon) along with conventional non-renewable energy sources and has a potential market growing exponentially. Modern 3 Blade HAWTs are most dominant in the market and have high efficiency. Blades are 15 to 20% of the cost of the wind turbine unit and also exposed to the environment. Therefore it is … …Energy Research Journal, Vol. 11, Issue 1 · 13 Nov 2020 · 8,371 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleQuality Of Work Life: Implications Of Career DimensionsRaduan C. Rose, LooSee Beh, Jegak Uli, Khairuddin IdrisLiterature on QWL is limited and several studies commonly correlates with job satisfaction but no study on QWL has associated with career related factors. This empirical study was done to predict QWL in relation to career-related dimensions. The sample consists of 475 managers from the free trade zones in Malaysia for both the multinational corporations (MNCs) and the small-medium industries … …Journal of Social Sciences, Vol. 2, Issue 2 · 30 Jun 2006 · 14,027 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEvaluation of the Effects of the Addition of Salt, Type of Additive and the Shelf Life, on Chemical Composition of Pennisetum purpureum (Schumach) (Maralfalfa) Silages in NigerMaman Lawal Abdoul Aziz, Seydou Korombé Hamza, Djibo Ibrahim et al.Seasonal variations in the quantity and quality of fodder constitute an obstacle to the development of ruminant breeding in Niger. This is why this study was carried out to evaluate the effects of salt addition, shelf life, and type of additive on the chemical composition of Pennisetum purpureum Schumach (Maralfalfa) silages. These aspects were retained because salt, in addition to … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 3 · 12 Sep 2024 · 4,729 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleShelf-Life Prediction of Specialty Coffees using the Arrhenius ModelFrank Fernández Rosillo, María Alina Cueva Ríos, Lenin Quiñones Huatangari, Carla Guianella Samaniego LalanguiThe study estimated the shelf life of roasted and ground specialty coffees in bi-laminated and tri-laminated packaging concerning cup score, using the Acceleration Test at temperatures of 40, 50, and 60°C. The sensory evaluation was carried out by Q Grader tasters. Based on the higher value of the coefficient of determination of the regressions resulting from the cup and temperature … …OnLine Journal of Biological Sciences, Vol. 23, Issue 1 · 23 Dec 2022 · 6,885 accessesView PDFCite
Review ArticleOpen accessEvery word in the titleMars Could have Enough Molecular Oxygen to Support LifeRelly Victoria Virgil PetrescuThere is a recently introduced study that proposes the idea of the possibility of salty water somewhere on the surface of the planet Mars or immediately near the surface but in the basement of the planet at a relatively small depth. The study illustrates the possibility of O2 oxygen dissolved in salt water, oxygen needed to support breathing oxygen, microbes … …Journal of Aircraft and Spacecraft Technology, Vol. 3, Issue 1 · 28 Feb 2019 · 7,736 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAssessment of Quality of Life, Anxiety and Depression in Children with Turner Syndrome: A Case-Control StudyKhaled Saad, Abdulrahman Abdullah Al-Atram, Khaled A. Abdel Baseer et al.Turner syndrome is a genetic disorder that affects only females and is caused by the loss of the whole or a part of the X-chromosome. The aim of this study was to assess the quality of life and frequency of anxiety and depression in a cohort of Egyptian children with Turner Syndrome (TS) diagnosed in Assiut university hospitals, Assiut, Egypt. … …Neuroscience International, Vol. 6, Issue 1 · 13 Mar 2015 · 7,045 accessesView PDFCite